diff --git a/src/chatdocumenthandler.cpp b/src/chatdocumenthandler.cpp
index 8d489984a..c9a64533a 100644
--- a/src/chatdocumenthandler.cpp
+++ b/src/chatdocumenthandler.cpp
@@ -16,6 +16,8 @@ ChatDocumentHandler::ChatDocumentHandler(QObject *parent)
     : QObject(parent)
     , m_document(nullptr)
     , m_cursorPosition(-1)
+    , m_selectionStart(-1)
+    , m_selectionEnd(-1)
 {
 }
 
diff --git a/src/spellcheckhighlighter.cpp b/src/spellcheckhighlighter.cpp
index ea5c9e398..32ef4a7e1 100644
--- a/src/spellcheckhighlighter.cpp
+++ b/src/spellcheckhighlighter.cpp
@@ -84,7 +84,7 @@ SpellcheckHighlighter::SpellcheckHighlighter(QObject *parent)
     new Sonnet::GuessLanguage()
 }
 #endif
-, m_document(nullptr), m_cursorPosition(-1)
+, m_document(nullptr), m_cursorPosition(-1), m_selectionStart(-1), m_selectionEnd(-1)
 {
     // Danger red from our color scheme
     mErrorFormat.setForeground(QColor(0xED, 0x15, 0x15));